6
Installation and Maintenance Instructions
Model 450E Electronic Horn
• Any maintenance to the unit MUST be performed by a trained
electrician in accordance with NEC Guidelines and local codes.
• Never alter the unit in any manner.
• The nameplate should NOT be obscured, as it contains
cautionary and/or other information of importance to
maintenance personnel.
• Provide a copy of these instructions to the Safety Engineer,
operator(s) and maintenance personnel.
• File these instructions in a safe place and refer to them when
maintaining and/or reinstalling the device.
Failure to follow all safety precautions and instructions may result
in property damage, serious injury, or death.
Unpacking the Horn
After unpacking the horn, examine it for damage that may
have occurred in transit. If the horn has been damaged, do not
attempt to install or operate it. File a claim immediately with
the carrier, stating the extent of the damage. Carefully check all
envelopes, shipping labels, and tags before removing or discarding
them. Disposal of all shipping materials must be carried out in
accordance with national and local codes and standards. If any
parts are missing, please call Federal Signal Customer Support at
708-534-4756 or 877-289-3246.
An Overview of the Model 450E
SOUND RESTRICTION — Do not paint the horn. No finish or
coating is required. Paint may obstruct the sound output,
reducing the effectiveness of the horn. Failure to heed this
warning may cause serious injury or death.
The Model 450E is a polarized, high-output, continuous duty,
indoor/outdoor-rated, electronic horn suitable for use in fire alarm
systems in public mode applications. It is capable of reproducing
coded blasts or sustained tones.
